Search a number
-
+
2678834 = 23143207
BaseRepresentation
bin1010001110000000110010
312001002200002
422032000302
51141210314
6133230002
731525004
oct12160062
95032602
102678834
11156a714
12a92302
1372a412
144da374
1537dade
hex28e032

2678834 has 8 divisors (see below), whose sum is σ = 4147968. Its totient is φ = 1296180.

The previous prime is 2678831. The next prime is 2678839. The reversal of 2678834 is 4388762.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a d-powerful number, because it can be written as 219 + 65 + 75 + 85 + 87 + 33 + 42 .

It is not an unprimeable number, because it can be changed into a prime (2678831) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21542 + ... + 21665.

It is an arithmetic number, because the mean of its divisors is an integer number (518496).

22678834 is an apocalyptic number.

2678834 is a deficient number, since it is larger than the sum of its proper divisors (1469134).

2678834 is a wasteful number, since it uses less digits than its factorization.

2678834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43240.

The product of its digits is 64512, while the sum is 38.

The square root of 2678834 is about 1636.7143917006. The cubic root of 2678834 is about 138.8828438495.

The spelling of 2678834 in words is "two million, six hundred seventy-eight thousand, eight hundred thirty-four".

Divisors: 1 2 31 62 43207 86414 1339417 2678834